A new development now in the search for that missing young mom in western michigan. Jessica heeringa vanished friday after finishing up her late shift at a local gas station and now getting our first look at the man police believe may be involved. Good morning, alex. Reporter: Good morning. This morning for the first time we are also hearing from someone who saw jessica just before she disappeared. Your neighbor with your community. S hundreds turned out for a vigil praying for jessica, police have released a new sketch showing the man they suspect abducted her. Investigators believe this man was driving a silver minivan that was caught on a nearby surveillance camera and spotted at this gas station just before the 25-year-old attendant vanished. In an exclusive interview christian believes he was one of the last people to see heeringa before she disappeared. I saw her two hours before this happened. Reporter: Around 9:00.M. On friday he fueled up at the gas station, chatting with heeringa. She had stepped out of the store to replace the receipt tape on one of the pumps. He was about to drive off when he saw a man in a silver minivan drive up right next to her. Hey, what are you doing over here? Respect you supposed to be inside just being real flirty. Reporter: He says the man didn't get gas and seemed unusual. Even in his tone, though, you kind of knew something was weird. Yeah, it was just bizarre that he seemed to be actively looking for her. You know, like he knew her and he just had this attitude that he wanted to have a conversation with her. Reporter: It's now been almost five full days and no sign of the young mother who left her purse and keys inside the gas station. It could have been me. It could have been any one of us out here. I hope she'll be found. Reporter: And family members say they will hold on to that hope as long as possible. Authorities say they have gten dozens of tips from across the country.

This transcript has been automatically generated and may not be 100% accurate.

Police Eye Silver Minivan in Search for Missing Mother

Jessica Heeringa, 25, vanished after her late night shift at a gas station.

Mother Vanishes After Late Night Shift

Police now believe 25-year-old Jessica Heeringa was abducted at work.

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